c# - Validation ErrorMessage value -


how emit custom validator error messages entity this?:

receipts exeeded invoice amount of 15000

my property

[invoiceamountnotexeeded(errormessage = "receipts exeeded invoice amount  of {0}")] public int amount {get; set; }

in validator:

var errormsg = formaterrormessage(string.format(validationcontext.displayname,invoice.amount))

problem m getting: receipts exeeded invoice amount of amount. note how writting property name instead of property value. advice?

edit: code added

public class invoiceamountnotexeededattribute : validationattribute {          public invoiceamountnotexeededattribute()         {                     }           protected override validationresult isvalid(object value, validationcontext validationcontext)         {             var factid = ....;             var db = new entities();             var fact = db.invoices.find(factid);             var amountrecibos = ...;             var amount = convert.toint32(value);             if (amountrecibos + amount > fact.amount ){                 var errormsg = formaterrormessage(string.format(validationcontext.displayname,invoice.amount));                 return new validationresult(errormsg);             }                         return validationresult.success;         }     }

the reason have behaviour because refer validationcontext.displayname default set property name ("amount" in case). string.format(validationcontext.displayname,invoice.amount) returns "amount". instead of try apply this:

var errormsg = formaterrormessage(invoice.amount.tostring()); return new validationresult(errormsg);

this way pass formaterromessage not displayname property amount value instead , formaterrormessage use pattern errormessage attribute property. should give want.


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